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Sleep Study

Polysomnography Test (PSG)

Snoring is a symptom of sleep apnea. Many medical researchers conclude that if sleep apnea is not treated properly, it may lead to various health problems.

High Risk Group of Sleep Apnea

  • Genetic inheritance
  • Overweight persons
  • Elderly persons
  • Long-term users of sleeping pills
  • Cigarette smokers
  • Persons with drinking habits
  • “Three Highs” – High blood pressure, high cholesterol and high blood sugar
  • Chronic heart and lung diseases
  • Severe allergic rhinitis
  • Diabetes
  • Stroke
  • Jaw deformity (small chin)
  • Thyroid secretion disorder
  • Swollen tonsils

Symptoms of Sleep Apnea

If you have snoring or cessation of breath during sleep, you may be suffering from sleep apnea.

Common sleep apnea symptoms include:

  • Loud constant snoring
  • Cessation of breath during sleep
  • Difficult to concentrate
  • Dull reaction?
  • Excessive daytime fatigue
  • Deteriorated memory
  • Morning headaches
  • Reduced libido
  • Frequent nocturnal urination (nocturia)
  • High blood pressure
  • A dry mouth upon awakening

If you are experiencing any symptoms above, you should seek help from a medical professional.

Untreated dangers

  • Stroke
  • Hypertension
  • Cardiacvascular diseases
  • Arrhythmia
  • Diabetes
  • Deteriorated memories
  • Glaucoma
  • Gastroesophageal reflux disease

Self-assessment questionnaires

The following two internationally recognized assessment questionnaires will allow you to initially assess your chances of suffering from sleep apnea.

*Reference: ESS – The Epworth Sleepiness Scale by Dr. Murray Johns, STOPBANG – Property of University Health Network

Diagnosis – Sleep Study Test

Professional Service:

Provided by The HomeCare Medical – holder of multiple international recognized credentials

Test Procedure Outline

Getting ready

  • Learn more about sleep test
  • Make an appointment with a HomeCare sleep test technician

On the day of the sleep test:

  • Please avoid any stimulant drinks coffee, tea, soft drinks, etc.) 12 hours prior to the test.
  • Continue with your usual day-to-day activities, and avoid taking any naps during the day.
  • Prior to the test, please take a shower and have your hair washed.
  • Wear comfortable clothing, preferably buttoned-up shirts.
  • Please avoid putting on lotion or hair gel of any kind.
  • For men, please shave prior to the test
  • For women, please avoid putting on make-up, and remove any nail polish to ensure an accurate result.
  • The sleep test technician will arrive around 8 to 9pm.

During the test:

  • The sleep test technician will setup the device, which will take around an hour
  • After the setup, you will be able to continue with normal activities (watch TV or use the washroom)
  • The device will be connected to your body, it may feel uncomfortable at first, but please try to relax and sleep.
  • Please avoid removing the device on your own, as it may affect the test result.
  • Please try to avoid using your personal phone before sleep

Sleep Test Device – New German-made wireless sleep test system

SOMNOscreen™ PLUS utilizes innovative solution for sleep diagnostics and therapy to improve accuracy, reliability and convenience.


The sleep test collects polysomnographic data according to AASM, including EEG, EOG, EMG, ECG, Nasal/Oral flow, Thoracic and abdominal effort, oximetry, snoring sound, periodic leg movement analysis, sleeping position, as well as real-time synchronized blood pressure data.


Cuff-less Continuous Blood Pressure Measurement:

According to medical researches, sleep apnea may lead to hypertension.

SOMNOmedics uses an innovative patented algorithm to measure blood pressure via the Pulse Transit Time (PTT). Blood pressure is measured continuously using the time required for the pulse wave to propagate along the vessel wall between two defined points. Such innovative technology allows data to be collected in a continuous, non-invasive and non-reactive way.

With this breakthrough technology, the SOMNOscreenTM PLUS is widely used by the Stanford Sleep Medicine Center in the United States.


Wireless Testing:

Thanks to the built-in Bluetooth data transmitter, the SOMNOscreen™ plus always works wirelessly – allowing for remote signal check – giving you peace of mind whilst doing ambulatory/home sleep test.


Home Sleep Camera:

With built-in infrared illuminated camera, all activities such as sleepwalking, limb movements and bruxism can be recorded to improve diagnosis. Adding video to this powerful device enables new opportunities to offer homes sleep test to an exceptionally high standard.


Quality Assurance:

HomeCare Medical provides sleep test service in accordance with guidelines set by members of Registered Polysomnographic Technologists, meeting the standards of American Academy of Sleep Medicine (AASM) and European Sleep Research Society (ESRS), and ensuring that the quality of the service we provide is world-class.

Professional Qualification

Director, Mr. Steve Lau was certified as the Registered Polysomnographic Technologist™ (RPSGT)
General Manager, Ms. Shirley Chiu was certified as the Registered Polysomnographic Technologist™ (RPSGT)
HomeCare member, Mr. Ivan Leung was certified as the Registered Polysomnographic Technologist™ (RPSGT)
HomeCare member, Mr. Stone Shi was certified as the Registered Polysomnographic Technologist™ (RPSGT)
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